diff --git a/consensus/misc/eip4844.go b/consensus/misc/eip4844.go
new file mode 100644
index 000000000000..66ca9bd26d86
--- /dev/null
+++ b/consensus/misc/eip4844.go
@@ -0,0 +1,54 @@
+// Copyright 2023 The go-ethereum Authors
+// This file is part of the go-ethereum library.
+//
+// The go-ethereum library is free software: you can redistribute it and/or modify
+// it under the terms of the GNU Lesser General Public License as published by
+// the Free Software Foundation, either version 3 of the License, or
+// (at your option) any later version.
+//
+// The go-ethereum library is distributed in the hope that it will be useful,
+// but WITHOUT ANY WARRANTY; without even the implied warranty of
+// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+// GNU Lesser General Public License for more details.
+//
+// You should have received a copy of the GNU Lesser General Public License
+// along with the go-ethereum library. If not, see .
+
+package misc
+
+import (
+ "math/big"
+
+ "github.com/ethereum/go-ethereum/params"
+)
+
+var (
+ minDataGasPrice = big.NewInt(params.BlobTxMinDataGasprice)
+ dataGaspriceUpdateFraction = big.NewInt(params.BlobTxDataGaspriceUpdateFraction)
+)
+
+// CalcBlobFee calculates the blobfee from the header's excess data gas field.
+func CalcBlobFee(excessDataGas *big.Int) *big.Int {
+ // If this block does not yet have EIP-4844 enabled, return the starting fee
+ if excessDataGas == nil {
+ return big.NewInt(params.BlobTxMinDataGasprice)
+ }
+ return fakeExponential(minDataGasPrice, excessDataGas, dataGaspriceUpdateFraction)
+}
+
+// fakeExponential approximates factor * e ** (numerator / denominator) using
+// Taylor expansion.
+func fakeExponential(factor, numerator, denominator *big.Int) *big.Int {
+ var (
+ output = new(big.Int)
+ accum = new(big.Int).Mul(factor, denominator)
+ )
+ for i := 1; accum.Sign() > 0; i++ {
+ output.Add(output, accum)
+
+ accum.Mul(accum, numerator)
+ accum.Div(accum, denominator)
+ accum.Div(accum, big.NewInt(int64(i)))
+ }
+ return output.Div(output, denominator)
+}
diff --git a/consensus/misc/eip4844_test.go b/consensus/misc/eip4844_test.go
new file mode 100644
index 000000000000..5838cab8e669
--- /dev/null
+++ b/consensus/misc/eip4844_test.go
@@ -0,0 +1,85 @@
+// Copyright 2023 The go-ethereum Authors
+// This file is part of the go-ethereum library.
+//
+// The go-ethereum library is free software: you can redistribute it and/or modify
+// it under the terms of the GNU Lesser General Public License as published by
+// the Free Software Foundation, either version 3 of the License, or
+// (at your option) any later version.
+//
+// The go-ethereum library is distributed in the hope that it will be useful,
+// but WITHOUT ANY WARRANTY; without even the implied warranty of
+// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+// GNU Lesser General Public License for more details.
+//
+// You should have received a copy of the GNU Lesser General Public License
+// along with the go-ethereum library. If not, see .
+
+package misc
+
+import (
+ "fmt"
+ "math/big"
+ "testing"
+
+ "github.com/ethereum/go-ethereum/params"
+)
+
+func TestCalcBlobFee(t *testing.T) {
+ tests := []struct {
+ excessDataGas int64
+ blobfee int64
+ }{
+ {0, 1},
+ {1542706, 1},
+ {1542707, 2},
+ {10 * 1024 * 1024, 111},
+ }
+ have := CalcBlobFee(nil)
+ if have.Int64() != params.BlobTxMinDataGasprice {
+ t.Errorf("nil test: blobfee mismatch: have %v, want %v", have, params.BlobTxMinDataGasprice)
+ }
+ for i, tt := range tests {
+ have := CalcBlobFee(big.NewInt(tt.excessDataGas))
+ if have.Int64() != tt.blobfee {
+ t.Errorf("test %d: blobfee mismatch: have %v want %v", i, have, tt.blobfee)
+ }
+ }
+}
+
+func TestFakeExponential(t *testing.T) {
+ tests := []struct {
+ factor int64
+ numerator int64
+ denominator int64
+ want int64
+ }{
+ // When numerator == 0 the return value should always equal the value of factor
+ {1, 0, 1, 1},
+ {38493, 0, 1000, 38493},
+ {0, 1234, 2345, 0}, // should be 0
+ {1, 2, 1, 6}, // approximate 7.389
+ {1, 4, 2, 6},
+ {1, 3, 1, 16}, // approximate 20.09
+ {1, 6, 2, 18},
+ {1, 4, 1, 49}, // approximate 54.60
+ {1, 8, 2, 50},
+ {10, 8, 2, 542}, // approximate 540.598
+ {11, 8, 2, 596}, // approximate 600.58
+ {1, 5, 1, 136}, // approximate 148.4
+ {1, 5, 2, 11}, // approximate 12.18
+ {2, 5, 2, 23}, // approximate 24.36
+ {1, 50000000, 2225652, 5709098764},
+ }
+ for i, tt := range tests {
+ f, n, d := big.NewInt(tt.factor), big.NewInt(tt.numerator), big.NewInt(tt.denominator)
+ original := fmt.Sprintf("%d %d %d", f, n, d)
+ have := fakeExponential(f, n, d)
+ if have.Int64() != tt.want {
+ t.Errorf("test %d: fake exponential mismatch: have %v want %v", i, have, tt.want)
+ }
+ later := fmt.Sprintf("%d %d %d", f, n, d)
+ if original != later {
+ t.Errorf("test %d: fake exponential modified arguments: have\n%v\nwant\n%v", i, later, original)
+ }
+ }
+}
diff --git a/params/protocol_params.go b/params/protocol_params.go
index bb703d0b74dc..ab5ed13c0603 100644
--- a/params/protocol_params.go
+++ b/params/protocol_params.go
@@ -159,6 +159,9 @@ const (
// up to half the consumed gas could be refunded. Redefined as 1/5th in EIP-3529
RefundQuotient uint64 = 2
RefundQuotientEIP3529 uint64 = 5
+
+ BlobTxMinDataGasprice = 1 // Minimum gas price for data blobs
+ BlobTxDataGaspriceUpdateFraction = 2225652 // Controls the maximum rate of change for data gas price
)
// Gas discount table for BLS12-381 G1 and G2 multi exponentiation operations